According to the National Electrical Code, a properly grounded system should have an earth ground resistance of 25 ohms (Ω) or less. This properly grounded control room breaker box is reading 14.90 Ω on the ground resistance meter.

This publication describes the importance of proper earth grounding to prevent lightning damage to poultry houses. It also describes how to ensure your poultry houses are protected. Download the PDF above to learn more.

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